from tkinter import*
print('Введите начальную коордтнату X: ' )
X = int(input( ) )
print('Введите начальную координаты Y: ' )
Y=int(input( ) )
print('Введите коэффициент увеличения N: ' )
N=int(input( ) )

coords = [0, 0, 10, 0, 10, 10, 20, 10, 20, 20, 10, 20, 10, 30, 0, 30]

if N == 0 and  X >= 0 and X<= 500 and Y >=0 and Y <= 500:
    pass
else:
    if N > 0 and 0*N+X>=0 and 0*N+Y>=0 and 20*N+X<=500 and 20*N+Y<=500:
        pass
    else:
        if N < 0 and 20*N+X>=0 and 20*N+Y>=0 and 0*N+X<=500 and 0*N+Y<=500:
           pass
        else:
              print('Размер фигуры превышает максимальный размер поля')
        exit( )
        
root = Tk()
root.title("ИТ марафон")
root.geometry('500x500')

canvas = Canvas(bg="white",  width=500,  height=500)
canvas.pack(anchor=CENTER, expand=1)

canvas.create_polygon(coords[0] *N+X, coords[1] *N+Y,
                                       coords[2] *N+X, coords[3] *N+Y,
                                       coords[4] *N+X, coords[5] *N+Y,
                                       coords[6] *N+X, coords[7] *N+Y,
                                       coords[8] *N+X, coords[9] *N+Y,
                                       coords[10] *N+X, coords[11] *N+Y,
                                       coords[12] *N+X, coords[13] *N+Y,
                                       coords[14] *N+X, coords[15] *N+Y)
root.mainloop( )
